Home / 911,270,287.58-1,366,895,466.81-221,177,541.55

Finding the Fourth Proportional to 911,270,287.58, 1,366,895,466.81 and 221,177,541.55

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Solution

The fourth proportional to 911,270,287.58, 1,366,895,466.81 and 221,177,541.55 is: 331,763,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,270,287.58 : 1,366,895,466.81 = 221,177,541.55 : x
  2. Step 2: Convert to fraction form
    911,270,287.58/1,366,895,466.81 = 221,177,541.55/x
  3. Step 3: Cross multiply
    911,270,287.58x = 1,366,895,466.81 × 221,177,541.55
  4. Step 4: Simplify right side
    911,270,287.58x = 302,326,578,904,875,456
  5. Step 5: Solve for x
    x = 302,326,578,904,875,456/911,270,287.58
  6. Step 6: Final answer
    x = 331,763,893.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.